14 mar 1793 ano - When the cotton gin was made
Descrição:
One man could make 50 pounds of day in stead of 1 pound a day
“Harper’s Weekly”: black slaves working the first cotton gin. Image. Britannica School, Encyclopædia Britannica, 1 Nov. 2017. school.eb.com/levels/middle/assembly/view/181816. Accessed 19 Jan. 2018.
Adicionado na linha do tempo:
civil war
Data:
Imagens:
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